Malicious PDF — malware analysis report

Static analysis result for SHA-256 346737d7e9a98ce4…

MALICIOUS

PDF

185.2 KB Created: 2015-08-08 13:06:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 264b18a2d97bd3fa99d57a2538b3da47 SHA-1: 60b99f7044677afb080599a3abfe995d42d8541f SHA-256: 346737d7e9a98ce4d1ce3d3aa4ceb9080ada4d2e281bd73d51359f1bc935bfc3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://botcraftman.ru/?lip&keyword=%D0%B4%D0%B5%D1%82%D1%81%D0%BA%D0%B8%D0%B5+%D0%BC%D0%B5%D1%82%D1%80%D0%B8%D0%BA%D0%B8+%D1%81%D1%85%D0%B5%D0%BC%D1%8B+%D0%B2%D1%8B%D1%88%D0%B8%D0%B2%D0%BA%D0%B8+%D0%BA%D1%80%D0%B5%D1%81%D1%82%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383776_pavel_bosinskiy_begstvo_iz_raya.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387867_skachat_porno_mr4_na_telefon.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385872_skachat_igruy_na_nokia_5530_besplatno_bez_kodov_i_registracii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024393.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24393 3556 bytes
font_01_sfnt_off00025116.bin
5a459e8a6ea4775ea0e0087283a292e373a02791f8952767b3a197eb1afa451b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25116 14472 bytes
font_02_sfnt_off00027e4f.bin
f3ffa0c3ffb28140c35789705f606a6a2b2cac983f0c86ad8c7a2577da9532f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E4F 14588 bytes
font_03_sfnt_off0002a95e.bin
782c8c11a3ca7bef609123119ec1b031347db55b67992db07845d17e4c160447		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A95E 6304 bytes
font_04_sfnt_off0002bb21.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB21 6084 bytes
font_05_sfnt_off0002cab6.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAB6 3752 bytes

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